Obsessive-compulsive disorder (OCD) is characterized by repetitive, unwanted, intrusive thoughts (obsessions) and irrational, excessive urges to do certain actions (compulsions).

Mental health professionals say obsessive-compulsive disorder affects millions and can involve intrusive thoughts, anxiety, ...

Overthinking and OCD can look similar but work very differently. A mental health expert explains the key signs, emotional ...

Eating disorders and OCD can look strikingly similar on the surface. Understanding what drives the behavior is essential for ...

Scientists have discovered an imbalance between neurochemicals in parts of OCD patients' brains key to decision-making and habit. A similar but less pronounced neurochemical imbalance was also ...

Maia Kinney-Petrucha speaks with Business Insider about being diagnosed with obsessive-compulsive disorder at age 4.

The parents of a 10-year-old Raleigh boy began noticing strange behavior in their son about a year ago, but had no idea that it could be the result of strep throat. The parents of a 10-year-old ...

Despite what's shown on TV and in movies, OCD is rarely about hand sanitizer or tidy kitchen pantries. Instead, OCD often ...

The Mayo Clinic defines obsessive-compulsive disorder (OCD) as: “Unreasonable thoughts and fears (obsessions) that lead you to do repetitive behaviors (compulsions).” OCD is a form of anxiety disorder ...

Shinsuke Suzuki at The University of Melbourne, Australia reports distinct patterns of reward-seeking behavior between obsessive compulsive disorder (OCD) and problem gambling, in a study publishing ...